diff --git a/ArenaService/ArenaService/ArenaParticipant.cs b/ArenaService/ArenaService/ArenaParticipant.cs
index 50af50f..4066e33 100644
--- a/ArenaService/ArenaService/ArenaParticipant.cs
+++ b/ArenaService/ArenaService/ArenaParticipant.cs
@@ -23,7 +23,8 @@ public ArenaParticipant(
         Address avatarAddr,
         int score,
         int rank,
-        AvatarState avatarState,
+        string nameWithHash,
+        int level,
         int portraitId,
         int winScore,
         int loseScore,
@@ -36,8 +37,8 @@ public ArenaParticipant(
         LoseScore = loseScore;
         Cp = cp;
         PortraitId = portraitId;
-        NameWithHash = avatarState.NameWithHash;
-        Level = avatarState.level;
+        NameWithHash = nameWithHash;
+        Level = level;
     }
 
     public void Update(int winScore, int loseScore)
diff --git a/ArenaService/ArenaService/ArenaWorker.cs b/ArenaService/ArenaService/ArenaWorker.cs
index 79df974..69592ec 100644
--- a/ArenaService/ArenaService/ArenaWorker.cs
+++ b/ArenaService/ArenaService/ArenaWorker.cs
@@ -1,10 +1,4 @@
 using System.Diagnostics;
-using Bencodex.Types;
-using Libplanet.Action.State;
-using Libplanet.Crypto;
-using Nekoyume.Model.Arena;
-using Nekoyume.Module;
-using Nekoyume.TableData;
 
 namespace ArenaService;
 
@@ -66,6 +60,9 @@ public async Task PrepareArenaParticipants()
         var currentRoundData = await _rpcClient.GetRoundData(tip);
         var participants = await _rpcClient.GetArenaParticipantsState(tip, currentRoundData);
         var cacheKey = $"{currentRoundData.ChampionshipId}_{currentRoundData.Round}";
+        var scoreCacheKey = $"{cacheKey}_score";
+        var prevAddrAndScores = await _service.GetAvatarAddrAndScores(scoreCacheKey);
+        var prevArenaParticipants = await _service.GetArenaParticipantsAsync(cacheKey);
         var expiry = TimeSpan.FromMinutes(5);
         if (participants is null)
         {
@@ -75,10 +72,17 @@ public async Task PrepareArenaParticipants()
         }
 
         var avatarAddrList = participants.AvatarAddresses;
-        var avatarAddrAndScoresWithRank = await _rpcClient.AvatarAddrAndScoresWithRank(tip, avatarAddrList, currentRoundData);
-        var result = await _rpcClient.GetArenaParticipants(tip, avatarAddrList, avatarAddrAndScoresWithRank);
+        // 최신상태의 아바타 주소, 점수를 조회
+        var avatarAddrAndScores = await _rpcClient.GetAvatarAddrAndScores(tip, avatarAddrList, currentRoundData);
+        // 이전상태의 아바타 주소, 점수를 비교해서 추가되거나 점수가 변경된 대상만 찾음
+        var filtered = avatarAddrAndScores.Except(prevAddrAndScores).ToList();
+        // 전체목록의 랭킹 순서 처리
+        var avatarAddrAndScoresWithRank = _rpcClient.AvatarAddrAndScoresWithRank(avatarAddrAndScores);
+        // 전체목록의 ArenaParticipant 업데이트
+        var result = await _rpcClient.GetArenaParticipants(tip, filtered.Select(i => i.avatarAddr).ToList(), avatarAddrAndScoresWithRank, prevArenaParticipants);
         await _service.SetArenaParticipantsAsync(cacheKey, result, expiry);
         await _service.SetSeasonAsync(cacheKey, expiry);
+        await _service.SetAvatarAddrAndScores(scoreCacheKey, avatarAddrAndScores);
         sw.Stop();
         _logger.LogInformation("[ArenaParticipantsWorker]Set Arena Cache[{CacheKey}]: {Elapsed}", cacheKey, sw.Elapsed);
     }
diff --git a/ArenaService/ArenaService/IRedisArenaParticipantsService.cs b/ArenaService/ArenaService/IRedisArenaParticipantsService.cs
index 7a1532d..c59c02e 100644
--- a/ArenaService/ArenaService/IRedisArenaParticipantsService.cs
+++ b/ArenaService/ArenaService/IRedisArenaParticipantsService.cs
@@ -8,6 +8,6 @@ public interface IRedisArenaParticipantsService
     Task SetArenaParticipantsAsync(string key, List<ArenaParticipant> value, TimeSpan? expiry = null);
     Task<string> GetSeasonKeyAsync();
     Task SetSeasonAsync(string value, TimeSpan? expiry = null);
-    Task<List<ArenaScoreAndRank>> GetAvatarAddrAndScoresWithRank(string key);
-    Task SetAvatarAddrAndScoresWithRank(string key, List<ArenaScoreAndRank> value, TimeSpan? expiry = null);
+    Task<List<(Address avatarAddr, int score)>> GetAvatarAddrAndScores(string key);
+    Task SetAvatarAddrAndScores(string key, List<(Address avatarAddr, int score)> value, TimeSpan? expiry = null);
 }
diff --git a/ArenaService/ArenaService/RedisArenaParticipantsService.cs b/ArenaService/ArenaService/RedisArenaParticipantsService.cs
index c96d6d5..c3c54cc 100644
--- a/ArenaService/ArenaService/RedisArenaParticipantsService.cs
+++ b/ArenaService/ArenaService/RedisArenaParticipantsService.cs
@@ -1,4 +1,5 @@
 using System.Text.Json;
+using Libplanet.Crypto;
 using StackExchange.Redis;
 
 namespace ArenaService;
@@ -43,18 +44,18 @@ public async Task SetSeasonAsync(string value, TimeSpan? expiry = null)
         await _db.StringSetAsync(SeasonKey, value, expiry);
     }
 
-    public async Task<List<ArenaScoreAndRank>> GetAvatarAddrAndScoresWithRank(string key)
+    public async Task<List<(Address avatarAddr, int score)>> GetAvatarAddrAndScores(string key)
     {
         RedisValue result = await _db.StringGetAsync(key);
         if (result.IsNull)
         {
-            return new List<ArenaScoreAndRank>();
+            return new List<(Address avatarAddr, int score)>();
         }
 
-        return JsonSerializer.Deserialize<List<ArenaScoreAndRank>>(result.ToString())!;
+        return JsonSerializer.Deserialize<List<(Address avatarAddr, int score)>>(result.ToString())!;
     }
 
-    public async Task SetAvatarAddrAndScoresWithRank(string key, List<ArenaScoreAndRank> value, TimeSpan? expiry = null)
+    public async Task SetAvatarAddrAndScores(string key, List<(Address avatarAddr, int score)> value, TimeSpan? expiry = null)
     {
         var serialized = JsonSerializer.Serialize(value);
         await _db.StringSetAsync(key, serialized, expiry);